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Mini DisplayPort-to-Mini DisplayPort cable different than Thunderbolt-to-Thunderbolt?

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dymsza

macrumors newbie
Original poster
Apr 10, 2015
2
0
I currently trying to connect iMac late 09 in target mode to a MacBook Pro 15" but I’m not getting it detected.

My setup uses Thunderbolt-to-Thunderbolt however this Apple document says I can use only work with Mini DisplayPort-to-Mini DisplayPort. Are those cables really different? Or am I having other problem?
 
D

Dandu

macrumors regular
Jan 23, 2009
118
14
You must use a miniDP to miniDP cable and not a Thunderbolt to Thunderbolt, it's different.

With a 2009 or 2010 iMac, you must use DP cable.
With 2011 (and +) iMac, it's Thunderbolt.

You can use DP classic cable with mini DP adapter, it works too.
 
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